<!DOCTYPE html><html><head>
   <title>Bootstrap 实例 - 按钮（Button）插件复选框</title>
   <link href="bootstrap.min.css" rel="stylesheet">
    <script src="jquery-3.3.1.min.js"></script>
   <script src="bootstrap.min.js"></script></head><body><div class="btn-group" data-toggle="buttons">
   <label class="btn btn-primary">
      <input type="checkbox"> 选项 1   </label>
   <label class="btn btn-primary">
      <input type="checkbox"> 选项 2   </label>
   <label class="btn btn-primary">
      <input type="checkbox"> 选项 3   </label></div></body></html>